Best Data Labeling AI Tools
12 data labeling startups tracked, with the largest concentration in US. Total tracked funding: $14.6B.
Funding by year — Data Labeling
2021 → 2026Top countries
By startup countStage breakdown
Latest round typeTop investors backing Data Labeling
See all →Recent rounds in Data Labeling
All rounds →| Date | Startup | Round | Amount |
|---|---|---|---|
| May 2026 | Wirestock | Series A | $23M |
| Feb 2026 | micro1 | Series A | $35M |
| Sep 2025 | Invisible Technologies | Growth | $100M |
| Jun 2025 | Scale AI | Strategic | $14.3B |
| Sep 2021 | Kili Technology | Series A | $25M |
| Jan 2021 | Kili Technology | Seed | $6.9M |
All Data Labeling startups
Page 1Scale AI
VerifiedData labeling and AI infrastructure platform powering frontier models for enterprises and governments.
Kili Technology
Enterprise data labeling and annotation for AI teams
Invisible Technologies
PRIVATEAI training data and enterprise automation platform
AfterQuery
Expert reasoning datasets and benchmarks for frontier AI
Wirestock
Premium multimodal data from a global network of creative professionals for AI training.
micro1
Human intelligence infrastructure for high-quality AI training data
Surge AI
Surge AI provides human intelligence to transform raw data into advanced artificial general intelligence (AGI).
Snorkel AI
Snorkel AI helps frontier labs and AI teams develop specialized training data and environments to differentiate their models and agents.
DatologyAI
Curate and optimize the best possible data for training high-performing AI models at lower costs.
Reducto
AI document parsing & extraction software that unlocks data from complex documents with high accuracy.
MOSTLY AI
Unlock the power of data with a platform for secure access, high-quality synthetic data generation, and seamless data analysis.
Tonic.ai
Unblock AI training, development, and testing workflows with safe, realistic synthetic data from your production patterns or from scratch.